public static Matrix2DFloat operator +(float value1, Matrix2DFloat value2)
{
var result = new Matrix2DFloat(value2.Width, value2.Height);
result.ForEach((x, y) => {
result[x, y] = value1 + value2[x, y];
});
return(result);
}
public static float Sum(Matrix2DFloat matrix)
{
float result = 0;
matrix.ForEach((x, y) => {
result = result + matrix[x, y];
});
return(result);
}
public static Matrix2DFloat operator -(Matrix2DFloat value)
{
var result = new Matrix2DFloat(value.Width, value.Height);
result.ForEach((x, y) => {
result[x, y] = -value[x, y];
});
return(result);
}
public static Matrix2DFloat operator /(Matrix2DFloat value1, float value2)
{
var result = new Matrix2DFloat(value1.Width, value1.Height);
result.ForEach((x, y) => {
result[x, y] = value1[x, y] / value2;
});
return(result);
}
public static Matrix2DFloat operator *(Matrix2DFloat value1, Matrix2DFloat value2)
{
var width = Math.Max(value1.Width, value2.Width);
var height = Math.Max(value1.Height, value2.Height);
var result = new Matrix2DFloat(width, height);
result.ForEach((x, y) => {
result[x, y] = value1[x, y] * value2[x, y];
});
return(result);
}
public Matrix2DFloat Equals(Matrix2DFloat value)
{
if (value == null)
{
return(null);
}
var result = new Matrix2DFloat(Width, Height);
result.ForEach((x, y) => {
result[x, y] = this[x, y] == value[x, y] ? 1 : 0;
});
return(result);
}
public static Matrix2DFloat operator >=(Matrix2DFloat value1, float value2)
{
if (value1 == null)
{
return(null);
}
var result = new Matrix2DFloat(value1.Width, value1.Height);
result.ForEach((x, y) => {
result[x, y] = value1[x, y] >= value2 ? 1 : 0;
});
return(result);
}
public static Matrix2DFloat operator -(Matrix2DFloat value1, Matrix2DFloat value2)
{
if (value1 == null || value2 == null)
{
return(null);
}
var width = Math.Max(value1.Width, value2.Width);
var height = Math.Max(value1.Height, value2.Height);
var result = new Matrix2DFloat(width, height);
result.ForEach((x, y) => {
result[x, y] = value1[x, y] - value2[x, y];
});
return(result);
}
public Matrix2DFloat Dot(Matrix2DFloat value)
{
if (Width != value.Height)
{
throw new ArgumentException(string.Format(
"ValueError: shapes ({0}, {1}) and ({2}, {3}) not aligned",
Width, Height,
value.Width, value.Height
));
}
var result = new Matrix2DFloat(value.Width, Height);
result.ForEach((x, y) => {
float total = 0;
int count = Width;
for (int i = 0; i < count; i++)
{
var r = this[i, y] * value[x, i];
total += r;
}
result[x, y] = total;
});
return(result);
}